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##############################################################################
#
# OpenERP, Open Source Management Solution
# Copyright (C) 2004-2009 Tiny SPRL (<http://tiny.be>).
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
##############################################################################
import datetime
from osv import fields, osv
import pooler
class stock_production_lot(osv.osv):
_inherit = 'stock.production.lot'
def _get_date(dtype):
"""Return a function to compute the limit date for this type"""
def calc_date(self, cr, uid, context=None):
"""Compute the limit date for a given date"""
if context is None:
context = {}
if not context.get('product_id', False):
date = False
else:
product = pooler.get_pool(cr.dbname).get('product.product').browse(
cr, uid, context['product_id'])
duration = getattr(product, dtype)
# set date to False when no expiry time specified on the product
date = duration and (datetime.datetime.today()
+ datetime.timedelta(days=duration))
return date and date.strftime('%Y-%m-%d %H:%M:%S') or False
return calc_date
_columns = {
'life_date': fields.datetime('End of Life Date',
help='The date on which the lot may become dangerous and should not be consumed.'),
'use_date': fields.datetime('Best before Date',
help='The date on which the lot starts deteriorating without becoming dangerous.'),
'removal_date': fields.datetime('Removal Date',
help='The date on which the lot should be removed.'),
'alert_date': fields.datetime('Alert Date', help="The date on which an alert should be notified about the production lot."),
}
# Assign dates according to products data
def create(self, cr, uid, vals, context=None):
newid = super(stock_production_lot, self).create(cr, uid, vals, context=context)
obj = self.browse(cr, uid, newid, context=context)
towrite = []
for f in ('life_date', 'use_date', 'removal_date', 'alert_date'):
if not getattr(obj, f):
towrite.append(f)
if context is None:
context = {}
context['product_id'] = obj.product_id.id
self.write(cr, uid, [obj.id], self.default_get(cr, uid, towrite, context=context))
return newid
_defaults = {
'life_date': _get_date('life_time'),
'use_date': _get_date('use_time'),
'removal_date': _get_date('removal_time'),
'alert_date': _get_date('alert_time'),
}
stock_production_lot()
class product_product(osv.osv):
_inherit = 'product.product'
_columns = {
'life_time': fields.integer('Product Life Time',
help='The number of days before a production lot may become dangerous and should not be consumed.'),
'use_time': fields.integer('Product Use Time',
help='The number of days before a production lot starts deteriorating without becoming dangerous.'),
'removal_time': fields.integer('Product Removal Time',
help='The number of days before a production lot should be removed.'),
'alert_time': fields.integer('Product Alert Time', help="The number of days after which an alert should be notified about the production lot."),
}
product_product()
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